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Download (1MB) THE MARINE FISHERIES INFORMATION SERVICE: Technical and Extension Series envisages the rapid dissemination of information on marine and brackish water fishery resources and allied data available with the Fishery Data Centre and the Research Divisions of the Institute, results of proven researches for transfer of technology to the fish farmers and industry and of other relevant information needed for Research and Development efforts in the marine fisheries sector. Abbreviation—Mar. Fish. Infor. Serv. T & E Ser., No. 44: 1982. CONTENTS 1. Cyclone devastation along Saurashtra coast of Gujarat in November 1982. 2. Trawl fishery of South Kanara with special reference to prawns and by- catches 3. Induced spawning and larval development of Crassostrea madrasensis (Preston) in the laboratory 4. Destruction of eggs of catfish Tachysurus tenuispinis by purse seiners at Karwar 5. Scientific, common and local names of commercially important marine fishes and shell fishes of Maharashtra and Gujarat coasts. 6. News-India and overseas. Cover photo: Damaged and grounded boats at Madhwad in Gujarat. CYCLONE DEVASTATION ALONG SAURASHTRA COAST OF GUJARAT IN NOVEMBER 1982 G.Sudhakara Rao and K.K. Datta. A severe cyclonic storm with a wind velocity of The course of the cyclone was monitored pre­ 150 km per hour swept throu^ the coastal districts cisely by the Colaba Observatory since 5th Novem­ of Junagadh, Amreli and Bhavnagar of Saurashtra ber. The storm developed in the Arabian sea was (Fig.l) on the afternoon of 8th November 1982 to touch Bombay on 6th November. But it had leaving behind a trail of destruction atong its path. changed its course by 6th evening and it was pre­ It is reported to be the worst of its kind in the living dicted that it would touch South Gujarat. A further memory of the local people and has taken a toll of change in the course indicated that it was picking 550 human lives and 2 lakhs heads of livestock. up momentum and would cross the land somew­ About 2 lakh huts were completely damaged and here along the Saurashtra coast by 8th November about an equal number of pucca houses were eit­ with wind velocity of 150-200 km per hour. By 8th her partly damaged or destroyed. Thousands of morning it was certain that the ^torrn would cross trees were uprooted and electric and telecommuni­ between Diu and Veraval by the forenoon of the cation poles got twisted. Communication was same day. As predicted the cycbne touched the totalh; Erupted and tfie three districts were plun­ land at Madhwad, a fishing village about 50 km ged mto darkness. Amreli district was the worst hit from Veraval, with a wind speed of 150 km and pas­ with a (kath toll of 265. The cyclone played havoc sed through Kodinar, Amreli and Bhavnagar. Its with the garden crops like banana, coconut and full force was felt between Jaffrabad and Veraval sugarcane. While the cycbnk; winds and incessant along the coast. The whole area had been expe­ rains infKcted heavy dam^^ along the coast, flood­ riencing intermittent heavy rains since 6th evening ing tA bwlying areas due to overflowing and bre­ and the intensity increased by 8th noon. The entire aching of dams devastated the inland villages taking town of Veraval was flooded with rain water and in a heavy toll of human beings and livestock. some places as much as 5 feet of water was flowing SAUPftSH T B A C 0 & S T or sujAP»T M ^ 1 ""t^ 7 A^V^ t ^ ._ _ 01MIUUI«\* •mvoHMO \ / Oamtii / j^ lUVIMUIWlNf TM.1IM,* / \ 1 HitoiimvK*^ 0) J> \J7 ittiigyAy^^'"'"'^ T •MKIIOCv* * CHonrk&s. yt»»y«ts» •a HmuOT*^ uxmtm 1 * J>- /off / '1 Fi9. 1. Map showing the fishing villages affected by the cyclone along Gujarat coast. 1 Table.l. Districtwise extent of hss and damage to small scale fisheries along the coast of Gujarat (Value in '000 Rs.) Loss of Damages to Damages to District human houses Loss of boats boats Loss pf nets Loss of fish Total lives materials loss No. Value No. Value No. Value No. Value (Value) (Value) JUNAGADH 3 3210 5363 40 1213 433 1852 817 784 11082 20294 AMRELI ' 15 365 571 11 310 112 783 949 312 — 1976 DIU 6 330 230 10 383 59 204 5 32 80 929 Total 24 3905 6164 61 1906 604 2839 1771 1128 11162 23199 on the roads. Veraval had 23 cm rain fall on the 600 boats, mostly country crafts fitted with outbo­ 8th of November. The coastal areas had a sigh of ard engines or inboard engines, were damaged relief by dusk as the wind subsided while the inland inflicting a loss of about Rs.47 lakhs. Gears, mostly areas of Amreli and Bhavnagar districts continued gillnets and dol nets accounted for a loss of about to have rough weather in the night. Rs.ll lakhs. About 3900 huts were either blown off or damaged, the extent of damage being about Government machinery was geared up to meet Rs.62 lakhs. Processed fish material-dry fish, fish the eventuality. By 8th morning radio broadcast meal, prawns and squids-worth Rs.ll2 lakhs was and local announcements were given to keep the spoiled because of godown collapses and power people on the alert. The army and airforce were breakdown. also informally alerted to stand by in the rescue and relief operations. In spite of all the precauti­ Madhwad, a fishing village in Amreli district, onary measures, there was extensive damage to about 50 km south of Veraval, was the worst hit public and private properties due to the cyclone with 14 lives lost and damages to fishing boats and and the toss was estimated at Rs.260 crores. The fishermen houses. About 25 houses were comple­ loss to crops, livestock, fisheries and forestry alone tely washed away because of tidal action. Some of would be to the tune of 150 crores. the persons who ventured out of the villages to reach safer elevated places were swept away by There was extensive damage at Veraval as tidal water and gales. Almost all the houses were many of the houses collapsed and all conununica- damaged and the boats which were moored in the tions got cut off. Port department suffered a bay were let loose by the tidal action and drifted damage of Rs.40 lakhs. Nine of the barges drifted helter-skelter. Those that drifted to inland areas to high seas and sank and heavy damages were ran aground when the tidal water receded after the caused to godowns and machinery. World Bank fury of the cyclone. The total loss was estimated at fishery harbour project lost about Rs.40 lakhs as 45 Rs.lO lakhs. cm of western break-waters and 90 m of eastern break-waters were washed away because of wave Mul-Dwarka, another fishing village in Amreli action. The coffer dams built to facilitate dredging district about 40 km south of Veraval also suffered in the inner basin were breached. The auction hall extensive damage with an estimated loss of Rs.5 and gear mending hall built under the scheme were lakhs. About 20 houses in the sea front were swept heavily damaged. away along with the betonging of the fishermen because of erosion due to tidal action. About 790 Damages in fishing villages (Figs 2-13) pieces of gill net were also swept away. The fisheries sector is one of the worst affec­ ted in the cyclone especially in the districts of Union territory of Diu also had severe damage. Amreli and Junagadh and the Union territory of A trawler with 3 crew drifted into the sea, resulting Diu. Thie districtwise details of the damages are in the toss of all of them. Another boat, a dolnet- given in Table 1. The fish landing centres affected ter, drifted with 3 crew and sank, killing all the are shown in figure 1. 61 boats were lost and about occupants. The total losses at the four fishing cen- tres of Diu, namely Diu, Ghoghakla, Seemar and a fringe of the fury of the present cyclone and esca­ Venakbara are to the tune of Rs.9 lakhs. ped with minor damages. At Porbandar a trawler sank in the sea and the crew managed to escape. The dol net fishing zone mainly consisting of About 5 boats were damaged. The loss was esti­ the three landing centres Jaffrabad, Rajpara and mated at Rs.2 lakhs. At Mangrol about 70 boats Nawabunder in Junagadh district has also suffered were damaged incurring a loss of Rs.l lakh. extensive damages, the loss being estimated at Rs.58 lakhs. Five boats and 84 dol nets were lost. Loss due to suspension of fishing About 2400 huts were blown away by the wind, Assuming that the catch trend during the exposing dry fish stock worth Rs.31 lakhs and period when fishing was suspended due to the resulting in their spoilage. cyclone remained the same as in few days prior to the havoc, the expected catches of fish were wor­ Damages in fishing harbours ked out for each district. The loss was estimated The full fury of the cyclone was felt at Veraval at Rs.442 lakhs (Table.3.) where waves of 3-4 m hight lashed the coast tos­ sing the fishing vessels in the harbour. Thirteen Table. 3. Expected loss due to suspension of canoes were lost and 31 trawlers sank in the har­ fishing after Cyclone bour due to a breach in the cofferdam and subse­ quent gushing of flood waters into the harbour. Name of the No.of days Expected Loss in However all the 31 trawlers were refloated with the District fishing quantity lost Value help of cranes and manual dewatering.
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